Home / 13,202.07-18,214.36-7,532.74

Finding the Fourth Proportional to 13,202.07, 18,214.36 and 7,532.74

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Solution

The fourth proportional to 13,202.07, 18,214.36 and 7,532.74 is: 10,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.07 : 18,214.36 = 7,532.74 : x
  2. Step 2: Convert to fraction form
    13,202.07/18,214.36 = 7,532.74/x
  3. Step 3: Cross multiply
    13,202.07x = 18,214.36 × 7,532.74
  4. Step 4: Simplify right side
    13,202.07x = 137,204,038.15
  5. Step 5: Solve for x
    x = 137,204,038.15/13,202.07
  6. Step 6: Final answer
    x = 10,392.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.